English
Related papers

Related papers: Cold & Warm Net: Addressing Cold-Start Users in Re…

200 papers

The cold-start problem is a common challenge for most recommender systems. The practical application of most cold-start methods is hindered by the deficiency in auxiliary content information for users. Moreover, most methods necessitate…

Information Retrieval · Computer Science 2024-09-04 Linan Zheng , Jiale Chen , Pengsheng Liu , Guangfa Zhang , Jinyun Fang

We propose a new approach that enables end users to directly solve the cold start problem by themselves. The cold start problem is a common issue in recommender systems, and many methods have been proposed to address the problem on the…

Information Retrieval · Computer Science 2025-10-01 Ryoma Sato

When a new user just signs up on a website, we usually have no information about him/her, i.e. no interaction with items, no user profile and no social links with other users. Under such circumstances, we still expect our recommender…

Information Retrieval · Computer Science 2020-10-28 Yitong Meng , Jie Liu , Xiao Yan , James Cheng

User cold-start recommendation is a long-standing challenge for recommender systems due to the fact that only a few interactions of cold-start users can be exploited. Recent studies seek to address this challenge from the perspective of…

Information Retrieval · Computer Science 2021-03-11 Xixun Lin , Jia Wu , Chuan Zhou , Shirui Pan , Yanan Cao , Bin Wang

The growth of recommender systems (RecSys) is driven by digitization and the need for personalized content in areas such as e-commerce and video streaming. The content in these systems often changes rapidly and therefore they constantly…

Information Retrieval · Computer Science 2024-11-15 Shiyu Wang , Hao Ding , Yupeng Gu , Sergul Aydore , Kousha Kalantari , Branislav Kveton

Recommender systems struggle to provide accurate suggestions to new users with limited interaction history, a challenge known as the cold-user problem. This paper proposes a reinforcement learning approach using Double and Dueling Deep…

Information Retrieval · Computer Science 2025-09-01 Minda Zhao

For many recommender systems, the primary data source is a historical record of user clicks. The associated click matrix is often very sparse, as the number of users x products can be far larger than the number of clicks. Such sparsity is…

Information Retrieval · Computer Science 2024-12-12 Julien Monteil , Volodymyr Vaskovych , Wentao Lu , Anirban Majumder , Anton van den Hengel

This paper proposes a recommender system to alleviate the cold-start problem that can estimate user preferences based on only a small number of items. To identify a user's preference in the cold state, existing recommender systems, such as…

Information Retrieval · Computer Science 2019-08-02 Hoyeop Lee , Jinbae Im , Seongwon Jang , Hyunsouk Cho , Sehee Chung

The cold-start problem is a long-standing challenge in recommender systems due to the lack of user-item interactions, which significantly hurts the recommendation effect over new users and items. Recently, meta-learning based methods…

Information Retrieval · Computer Science 2024-05-07 Yuxiang Shi , Yue Ding , Bo Chen , Yuyang Huang , Yule Wang , Ruiming Tang , Dong Wang

Rating elicitation is a success element for recommender systems to perform well at cold-starting, in which the systems need to recommend items to a newly arrived user with no prior knowledge about the user's preference. Existing elicitation…

Information Retrieval · Computer Science 2024-06-04 Hieu Trung Nguyen , Duy Nguyen , Khoa Doan , Viet Anh Nguyen

The cold start problem in recommender systems is a long-standing challenge, which requires recommending to new users (items) based on attributes without any historical interaction records. In these recommendation systems, warm users (items)…

Information Retrieval · Computer Science 2021-06-01 Shuai Wang , Kun Zhang , Le Wu , Haiping Ma , Richang Hong , Meng Wang

Collaborative filtering is used to recommend items to a user without requiring a knowledge of the item itself and tends to outperform other techniques. However, collaborative filtering suffers from the cold-start problem, which occurs when…

Machine Learning · Computer Science 2014-06-10 Michael R. Smith , Tony Martinez , Michael Gashler

The wide development of mobile applications provides a considerable amount of data of all types (images, texts, sounds, videos, etc.). Thus, two main issues have to be considered: assist users in finding information and reduce search and…

Information Retrieval · Computer Science 2014-04-16 Djallel Bouneffouf

Recommender systems face a critical challenge in the item cold-start problem, which limits content diversity and exacerbates popularity bias by struggling to recommend new items. While existing solutions often rely on auxiliary data, but…

Information Retrieval · Computer Science 2025-07-15 Dong Wang , Junyi Jiao , Arnab Bhadury , Yaping Zhang , Mingyan Gao , Onkar Dalal

A common challenge for most current recommender systems is the cold-start problem. Due to the lack of user-item interactions, the fine-tuned recommender systems are unable to handle situations with new users or new items. Recently, some…

Information Retrieval · Computer Science 2020-07-08 Manqing Dong , Feng Yuan , Lina Yao , Xiwei Xu , Liming Zhu

Recommender systems are increasingly used to predict and serve content that aligns with user taste, yet the task of matching new users with relevant content remains a challenge. We consider podcasting to be an emerging medium with rapid…

Information Retrieval · Computer Science 2020-07-28 Zahra Nazari , Christophe Charbuillet , Johan Pages , Martin Laurent , Denis Charrier , Briana Vecchione , Ben Carterette

A huge amount of user generated content related to movies is created with the popularization of web 2.0. With these continues exponential growth of data, there is an inevitable need for recommender systems as people find it difficult to…

Information Retrieval · Computer Science 2019-06-04 Lasitha Uyangoda , Supunmali Ahangama , Tharindu Ranasinghe

Recently, embedding techniques have achieved impressive success in recommender systems. However, the embedding techniques are data demanding and suffer from the cold-start problem. Especially, for the cold-start item which only has limited…

Information Retrieval · Computer Science 2021-05-12 Yongchun Zhu , Ruobing Xie , Fuzhen Zhuang , Kaikai Ge , Ying Sun , Xu Zhang , Leyu Lin , Juan Cao

Practical recommender systems experience a cold-start problem when observed user-item interactions in the history are insufficient. Meta learning, especially gradient based one, can be adopted to tackle this problem by learning initial…

Information Retrieval · Computer Science 2021-11-01 Xidong Feng , Chen Chen , Dong Li , Mengchen Zhao , Jianye Hao , Jun Wang

A common challenge in personalized user preference prediction is the cold-start problem. Due to the lack of user-item interactions, directly learning from the new users' log data causes serious over-fitting problem. Recently, many existing…

Information Retrieval · Computer Science 2020-12-23 Runsheng Yu , Yu Gong , Xu He , Bo An , Yu Zhu , Qingwen Liu , Wenwu Ou